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Chalmette Refining (1376), Chalmette
LDEQ Accident Report
| Accident # | 114985 |
| State Police # | 09-02419 |
| Accident Date | 2009-05-14 |
| Report Date | 2009-05-21 |
| Follow-up Date | 2009-07-02 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sulfur Dioxide | 13m | flare | NO | YES | NO | 2,138.0 pounds |
Accident Classified As:
Cause of Problem: Process Upset
High differential pressure across gas oil feed filters to Cat Feed Hydrotreater (CFHT) prevented feed from entering the unit. Loss of feed to CFHT combined with malfunctioned level indicator (instrument failure) in hot separator resulted in the total loss of liquid level in the hot separator. This created high pressure vapor from the hot separator that was fed to the fractionator. This result in the overheating and over pressuring of the fractionator and increased gas rates to the fractionator overhead.
Discharge Preventable - Yes
Notes/Remedial Actions
RQ exceeded. CFHT rates reduced to a minimum and stopped using propane to minimize temperature and pressure excursions. Level indicator malfunction ocrrected by replacing the anti-freeze.
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